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Stock-based Compensation (Tables)

12 Months Ended

Dec. 31, 2021

Share-based Payment Arrangement [Abstract]

Summary of Restricted Stock Activity

A summary of restricted stock activity is presented below:

			Number of Restricted Shares						Weighted Average Grant Price
Outstanding at January 1, 2021			1,038,006						$5.80
Granted			473,162						$6.05
Vested			(543,695)						$6.13
Forfeitures			(14,502)						$5.58
Outstanding at December 31, 2021			952,971						$5.74

			Year Ended December 31,
			2021						2020						2019
			(In thousands, except per share data)
Fair value of vested restricted stock			$	3,070					$	2,852					$	925
Per share weighted average fair value			$	6.05					$	5.38					$	5.40
Compensation expense recognized for restricted stock grants			$	3,406					$	3,247					$	2,121
Unrecognized compensation expense related to unvested shares			$	3,939
Expected recognition period			1.7 years

Summary of Significant Assumptions Used to Value PSUs

Significant assumptions used to value PSUs included:

			Year Ended December 31,
			2021						2020						2019
Risk free interest rate			0.3		%				0.3		%				1.5		%
Range of implied volatility:
Minimum			37		%				39		%				32		%
Maximum			83		%				198		%				84		%

Summary of PSU Activity

A summary of PSU activity is presented below:

			Number of PSUs						Weighted Average Grant Price
Outstanding at January 1, 2021			1,136,488						$9.33
Granted			220,929						$8.56
Forfeitures			(307,507)						$12.93
Outstanding at December 31, 2021			1,049,910						$8.11

			Year Ended December 31,
			2021						2020						2019
			(In thousands, except per unit data)
Number of PSUs granted			221						232						619
Grant date fair value			$	1,891					$	1,943					$	4,857
Grant date fair value per unit			$	8.56					$	8.37					$	7.85
Compensation expense recognized for PSUs			$	3,392					$	3,217					$	1,899
Unrecognized compensation expense related to unvested shares			$	3,444
Expected recognition period			1.6 years

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Tabular disclosure of the changes in outstanding nonvested performance-based units.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
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- Definition

Tabular disclosure of the significant assumptions used during the year to estimate the fair value of employee stock purchase plans, including, but not limited to: (a) expected term, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

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